Assignee
Inventors
- Kenji Matsumoto (250 patents)
- Shigeyuki Ito (16 patents)
- Yutaka Takami (35 patents)
- Masayuki Inoue (164 patents)
- Koichi Yoneta (6 patents)
- Tetsuharu Inamitsu (7 patents)
- Masaru Ohki (42 patents)
US Patent 6484946 · Granted Nov 26, 2002